diff -p -up gtklp-1.2.5/gtklp/gtklp.c.strfmt gtklp-1.2.5/gtklp/gtklp.c
--- gtklp-1.2.5/gtklp/gtklp.c.strfmt	2009-12-09 03:48:29.000000000 +0100
+++ gtklp-1.2.5/gtklp/gtklp.c	2009-12-09 03:52:09.000000000 +0100
@@ -312,7 +312,7 @@ int main(int argc,char *argv[])
 			case '?':
 				if(calledGtkLP)
 				{
-					g_print(str2str(_("Usage: gtklp [-P|-d printer] [-c configdir] [-S server] [-U user] [-p port] [-l] [-D] [-V] [-b] [-i] [-# n] [-C] [-H] [-E] [-J jobname] [-q priority] [-o option=value ...] [file(s)]\n")));
+					g_print("%s",str2str(_("Usage: gtklp [-P|-d printer] [-c configdir] [-S server] [-U user] [-p port] [-l] [-D] [-V] [-b] [-i] [-# n] [-C] [-H] [-E] [-J jobname] [-q priority] [-o option=value ...] [file(s)]\n")));
 				}
 				return(0);
 			break;
diff -p -up gtklp-1.2.5/libgtklp/libgtklp.c.strfmt gtklp-1.2.5/libgtklp/libgtklp.c
--- gtklp-1.2.5/libgtklp/libgtklp.c.strfmt	2007-08-30 19:17:45.000000000 +0200
+++ gtklp-1.2.5/libgtklp/libgtklp.c	2009-12-09 03:45:58.000000000 +0100
@@ -761,7 +761,7 @@ void exitOnError(char *gerror1, char *ge
 		gtk_widget_show(pixmapwid);
 
 		if(strlen(gerror2) == 0)
-			snprintf(tmplabel,(size_t)MAXLINE,gerror1);
+			snprintf(tmplabel,(size_t)MAXLINE,"%s",gerror1);
 		else
 			snprintf(tmplabel,(size_t)MAXLINE,gerror1,gerror2);
 		label=gtk_label_new(tmplabel);
@@ -791,7 +791,7 @@ void exitOnError(char *gerror1, char *ge
 #endif
 	} else {
 		if(strlen(gerror2) == 0)
-			g_warning(gerror1);
+			g_warning("%s",gerror1);
 		else
 			g_warning(gerror1,gerror2);
 	}